Improvement in water-coolers



`forni around the mouth of the cooler.

UNITED STATES PATENT OFFICE1 CARLETON B. HUTGHINS, OF `ANN ARBOR, MICHIGAN.

IMPROVEMENT IN WATER-COOLERS.

Specification forming part of Letters Patent No. 177,335, dated May 16, 1876;

February 26, 1876. l

To all whom it may concern:

Be it known that I, CARLETON B. HUTcHiNs, of Ann Arbor, in the county of Washtenaw and State of Michigan, have invented an Improvement in Water-Coolers, of which the following is .a specication:

My invention relates to the combination of Wood, paper, slab-stone, and a Water-tight composition, which is a non-conductor.

W W W is the wooden case. the lining of paper, which is tacked onto the inside ot' case W W W. S S S are the slabstones, which are secured in a groove in box 4 l G G C is the composition which fills the space between the paper and the stone, and over the bottom stone of the cover. To receive the composition -I reverse the cooler, and, after being lled, I replace the bottom of paper and Wood.

composition C. The stone' S is screwed on, which secures the cover in place on the cooler.

PPPisthe W W W is the Wooden cover, which'A is inlaid with paper lining P, and filled with application filed To prepare the compositionI take one galborax for flux, when needed. I add Wool lwaste when I wish to make the composition a betternon-conductor. Theproportionsofrosin and tallow or grease can be varied.

I claim as my inventionl. The combination of an outer Wooden case,

an inner lining of stone, and intervening layers of paper, and of a non-condncting and watertight composition, substantially as described.

2.- The non-conductin g and water-tight composition, consisting of'rosin, talloW, or grease, and a powdered or fibrous non-conducting material, as described.

GARLETON B. HUTGHINS.

Witnesses:

G. H. HUTGHINS, J. FERDON. 

